NDLI: Realtime ECG baseline removal: An isoelectric point estimation approach

Content Provider	IEEE Xplore Digital Library
Author	Guven, O. Eftekhar, A. Hoshyar, R. Frattini, G. Kindt, W. Constandinou, T.G.
Copyright Year	2014
Description	Author affiliation: Texas Instrum. Corp., Dallas, TX, USA (Hoshyar, R.; Frattini, G.; Kindt, W.) \|\| Dept. of Electr. & Electron. Eng., Imperial Coll. London, London, UK (Guven, O.; Eftekhar, A.; Constandinou, T.G.)
Abstract	This paper presents a novel method for ECG baseline drift removal while preserving the integrity of the ST segment. Baseline estimation is achieved by tracking 3 isoelectric points within the ECG waveform as fiducial markers used in an interpolation filter. These points are determined relative to the QRS complex, which is extracted using a known method (Pan-Tompkins algorithm). The proposed algorithm has been tested extensively using synthetic signals and also validated with real data. The synthetic signals assume a 2mV p-p ECG signal and 300 μV p-p baseline drift in the presence of noise artefacts including EMG pickup (20 dB - max. 200 μV), and residual power-line interference (50 μV p-p). The results show a maximum (worst-case ST-segment distortion) error of 34.7 μV (mean), 27.8 μV (median) and 21.2 μV (std. dev.) across 50 randomly generated synthetic ECG signals each containing 100 heartbeats. Validation of the algorithm applied to signals from the MIT-BIH arrhythmia databases reveals maximum error per P-T interval with mean, median and std. dev. of 34.4 μV, 35.2 μV and 9.6 μV respectively with suppressed motion artefacts.
Starting Page	29
Ending Page	32
File Size	2001155
Page Count	4
File Format	PDF
ISBN	9781479923465
DOI	10.1109/BioCAS.2014.6981637
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-22
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Accuracy Databases Heart beat Noise Estimation Electrocardiography Electromyography
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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